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net/mlx5e: fix double free in macsec_fs_tx_create_crypto_table_groups 

[ Upstream commit aeb660171b ]

In function macsec_fs_tx_create_crypto_table_groups(), when the ft->g
memory is successfully allocated but the 'in' memory fails to be
allocated, the memory pointed to by ft->g is released once. And in function
macsec_fs_tx_create(), macsec_fs_tx_destroy() is called to release the
memory pointed to by ft->g again. This will cause double free problem.

Fixes: e467b283ff ("net/mlx5e: Add MACsec TX steering rules")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhengchao Shao 2023-07-04 15:06:40 +08:00 committed by Greg Kroah-Hartman
parent 7a6fad03f5
commit c818fff3b6
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec_fs.c
View File

@ -160,6 +160,7 @@ static int macsec_fs_tx_create_crypto_table_groups(struct mlx5e_flow_table *ft)
if (!in) {
kfree(ft->g);
ft->g = NULL;
return -ENOMEM;
}